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Results for “VOICE TRAINING”

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PubMedDate not supplied

Training outcome in future professional voice users after 18 months of voice training.

The goal of this study is to define the long-term influence of vocal hygiene education and the effectiveness of voice training in 46 students. Half of the subjects, called the trained group (n = 23), received vocal hygiene education during 1 school year and voice training during 2 school years (18 months). The other half, also 23 subjects, received neither vocal hygiene education nor voice training as such (called the untrained group). The voice training is made up of technical workshops (30 h a year in groups of 5-8 subjects) and vocal coaching in the radio and drama projects (30 h whole class). In the lectures (30 h) a theoretical background on breathing, articulation, voicing and vocal hygiene was discussed. A multidimensional test battery containing the GRBAS scale, videolaryngostroboscopy, maximum phonation time, jitter, lowest intensity, highest frequency, Dysphonia Severity Index (DSI) and Voice Handicap Index (VHI) was applied before and after 18 months to evaluate the effect of voice training over time. A questionnaire on daily habits was presented before the lectures, and after 18 months to detect the long-term effect of the lectures. The objectively measured voice quality (DSI) of the trained group improved significantly over time (p < 0.001) due to training (p = 0.008), which was not the case in the untrained group. The self-assessed VHI, on the other hand, changed over time (p < 0.001) in both groups. For the trained group the VHI changed from 18.4 to 14.4 and in the untrained group from 20.1 to 15.3. It is important to note that the VHI scores of both groups remained high. The interpretation of the results of the daily habit questionnaire is disturbing: the initial high degree of smoking, vocal abuse, stress and late meals was not influenced by the lectures or training and remained high. This study proves the positive outcome and emphasizes the need for a well-organized voice training program in future professional voice users. However, the lectures and training on vocal hygiene failed to improve voice-conserving habits.

Adult↗
PubMed2005

Analysis and evaluation of a voice-training program in future professional voice users.

The goal of this study is to analyze and evaluate the effectiveness of a voice-training program. Twenty-three professional voice users received voice training for 2 years and vocal hygiene education for 1 year. The voice-training program consisted of lectures, technical workshops, and vocal coaching. The European Laryngological Society (ELS) protocol, including the Dysphonia Severity Index (DSI) and the Voice Handicap Index (VHI), was applied before and after, respectively, 9 and 18 months of voice training. A questionnaire on daily habits was presented at study onset and after 18 months. The DSI improvement is more significant after 9 months (P=0.005) than it is after 18 months (P=0.2). On the other hand, the perceptual evaluation remained unchanged after 9 months, whereas it improved significantly after 18 months. The results of the daily habit questionnaire are disturbing: the prevalence of smoking, vocal abuse, stress, and late meals were not influenced by the lectures and remained high. This study emphasizes the need for a well-organized voice-training program that is most effective after 9 months. Regarding the low effectiveness of the vocal hygiene program, the concept needs revision.

Adult↗
PubMed1990

[Seeing the timbre in the singing voice: training and retraining].

Voice clinicians, as well as singers, always correlate the assessment of the singing voice to the vocal and corporal gestures that model singing, and among these parameters, especially timbre. The authors have shown how and what to see in the timbre; first of all, through analysis of the voice by oscillography and sonagraphy, then through observation of the singing act in artists, with special interest for dynamic recordings by vuccal and nasal fibroscopy. In this manner, each variation of the timbre heard clearly corresponds to modifications of the glottic vibratory cycle, volume changes of the resonators, pharynx, oropharynx and buccal cavity. The analysis of the action of the different muscles coming into play in singing, their synergies and their antagonistic effects, give a physiological basis to the singer's vocal work. This analysis also makes it possible to more effectively guide the rehabilitation of dysacusia which effect the timbre.

Female↗
PubMed2003

Voice quality change in future professional voice users after 9 months of voice training.

Sixty-eight students of a school for audiovisual communication participated in this study. A part of them, 49 students, received voice training for 9 months (the trained group); 19 subjects received no specific voice training (the untrained group). A multidimensional test battery containing the GRBAS scale, videolaryngostroboscopy, Maximum Phonation Time (MPT), jitter, lowest intensity (IL), highest frequency (FoH), Dysphonia Severity Index (DSI) and Voice Handicap Index (VHI) was applied before and after training to evaluate training outcome. The voice training is made up of technical workshops in small groups (five to eight subjects) and vocal coaching in the ateliers. In the technical workshops, basic skills are trained (posture, breathing technique, articulation and diction), and in the ateliers, the speech and language pathologist assists the subjects in the practice of their voice work. This study revealed a significant amelioration over time for the objective measurements [Dysphonia Severity Index: from 2.3 to 4.5 ( P<0.001)] and the self-evaluation [Voice Handicap Index, from 23 to 18.4 ( P=0.016)] for the trained group only. This outcome favors the systematic introduction of voice training during the schooling of professional voice users.

Adult↗
PubMed1998

[Visceral voice training for laryngectomy after hypopharyngectomy and visceral transplant].

OBJECTIVE: To establish a way to visceral voice after stomach or colon transplantation for patients with hypopharyngeal or cervical esophageal cancer. METHODS: Esophageal voice training was used and modified according to the compliance of the patients. Twenty laryngectomies with replacement of the hypopharynx and esophagus by stomach(13 cases), colon(6 cases) and jejunum (1 case) were trained for voice rehabilitation at the Department of Head and Neck Surgery. RESULTS: The patients with an artificial esophagus from vicera were easy to gain an influx of certain volume of gas into their artificial esophagus (stomach or colon) and to learn to speak. But on the whole the quality of voice was not so satisfactory. In this series nineteen out of 20 patients (95%) could express their idea by speech after a training course of three weeks. CONCLUSION: The literature has emphasized role of cricopharyngeus muscle in the training of esophageal voice. Owing to the fact that this series of patients who had had their cricopharyngeus removed, could easily get their voice rehabilitated, it seems this muscle played no major role in the voice rehabilitation.

Aged↗
PubMed1995

Phonation into a tube as a voice training method: acoustic and physiologic observations.

Phonation into narrow glass tubes has been used as a voice training method. The present study examined phonatory and voice quality during and after tube phonation. The methods used were (a) electromyography with surface electrodes, (b) a dual-channel electroglottography from which the vertical larynx position was derived and (c) inverse filtering of the acoustic signal of vowel samples produced before and immediately after the exercise. Phonation into a tube seemed to cause a tendency to heighten the vertical laryngeal position. For female subjects (n = 3) the tube exercise tended to lead to increased vocal effort in vowel production after the exercise and, in contrast, to a tendency for a more relaxed voice production for the males (n = 2).

Adult↗
PubMed1994

Artificial pitch changing in auditory feedback as a possible method in voice training and therapy.

This study tested the effects of artificial pitch change of the auditory feedback on the fundamental frequency of normal-hearing subjects in text reading. The subjects (4 males, 24 females; 4 subjects were professional speech trainers, 3 subjects were trained singers; 1 male and 6 females were habitually using a non-optimal speaking pitch) read aloud from a text first the same paragraph twice in normal circumstances and then again while hearing their own voices, in real time changed in pitch, through headphones. In most cases the reading pitch increased during auditory feedback manipulations and the changes were larger than the differences found between recapitulations of the same text. The speech trainers and singers did not differ from the other subjects in their reactions. Three of the 7 subjects with pitch problems did not change the pitch at all and 3 did change it to an inappropriate direction. Only 1 subject with a pitch problem did benefit from the feedback manipulation. These results suggest that with certain limitations this method could be taken advantage of in voice training.

Adult↗
PubMed1994

[Applications of the "Speech Viewer II" in voice training in vocal cord paralysis].

Referring to traditional therapeutical concepts of vocal fold paralysis a microphone-controlled computer programme was used for voice treatment in 13 patients with unilateral vocal fold paralysis. 6 of these patients were female, 7 were male. The age ranged from 18 to 72 years (mean: 50 years). The etiology of the paralysis was distributed as follows: post strumectomy (4 cases), post operation of the aortic arch (3 cases), post mediastinoscopy (1 case), post operation of the cervical vertebrae (1 case). 2 cases are not decided yet, 2 are probably idiopathic. The vocal fold dysfunction lasted between 24 hours and 8 years before our first examination, less than 4 weeks in 11 cases. With 1 exception (intermediate) the vocal fold position was classified as paramedian. 8 patients suffered from left, and 5 patients from right vocal fold paralysis. The voice treatment took place with a microphone-controlled speech viewer including an audio capture and playback adapter. 7 of the 15 training modules of the computer programme were chosen to be useful for voice training. Those modules can be differentiated in physical-technical modules showing voice spectra or pitch scales and in object-related modules showing images such as landscapes, animals and others. These programme-specific modules (monitor exercises) were primarily built to train the following voice qualities separately: loudness, pitch, voicing, voice onset, fundamental frequency, sustained phonation etc. Modifying certain therapeutic instructions (see Tables 1 and 2) the monitor exercises were used to improve the coordination of different voice parameters, thus resembling physiological speech.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed2006

Voice training and therapy with a semi-occluded vocal tract: rationale and scientific underpinnings.

PURPOSE: Voice therapy with a semi-occluded vocal tract has a long history. The use of lip trills, tongue trills, bilabial fricatives, humming, and phonation into tubes or straws has been hailed by clinicians, singing teachers, and voice coaches as efficacious for training and rehabilitation. Little has been done, however, to provide the scientific underpinnings. The purpose of the study was to investigate the underlying physical principles behind the training and therapy approaches that use semi-occluded vocal tract shapes. METHOD: Computer simulation, with a self-oscillating vocal fold model and a 44 section vocal tract, was used to elucidate source-filter interactions for lip and epilarynx tube semi-occlusions. RESULTS: A semi-occlusion in the front of the vocal tract (at the lips) heightens source-tract interaction by raising the mean supraglottal and intraglottal pressures. Impedance matching by vocal fold adduction and epilarynx tube narrowing can then make the voice more efficient and more economic (in terms of tissue collision). CONCLUSION: The efficacious effects of a lip semi-occlusion can also be realized for nonoccluded vocal tracts by a combination of vocal fold adduction and epilarynx tube adjustments. It is reasoned that therapy approaches are designed to match the glottal impedance to the input impedance of the vocal tract.

Computer Simulation↗